:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-card: #ffffff;
  --surface-hover: #f1f5f9;
  --border: #e2e8f0;
  --border-subtle: #f1f5f9;
  --fg: #0f172a;
  --heading-fg: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05);
}
[data-theme="dark"] {
  --bg: #0b0f19;
  --surface: #111827;
  --surface-card: #161e2e;
  --surface-hover: #1f293d;
  --border: #243047;
  --border-subtle: #1a2336;
  --fg: #f3f4f6;
  --heading-fg: #ffffff;
  --muted: #9ca3af;
  --accent: #818cf8;
  --shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
}
.container { max-width: 1100px; margin: 0 auto; padding: 40px 24px; }
.btn-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--accent); text-decoration: none; }
h1 { font-size: 36px; font-weight: 900; color: var(--heading-fg); margin: 20px 0 10px; letter-spacing: -1px; }
.sub-title { font-size: 17px; color: var(--muted); margin-bottom: 40px; }
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.module-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
}
.module-icon { font-size: 28px; margin-bottom: 14px; }
.module-card h3 { font-size: 19px; font-weight: 800; color: var(--heading-fg); margin-bottom: 8px; }
.module-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.cta-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin-top: 60px;
}
.btn-primary {
  display: inline-block;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 16px;
}
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 99px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.lang-btn.active {
  background: var(--surface-card);
  color: var(--accent);
}
.security-badges-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 36px 0 0;
  padding: 18px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}
.security-badges-title {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.security-badges-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.security-badge-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), filter 0.2s ease;
  border-radius: 6px;
}
.security-badge-link:hover {
  transform: translateY(-2px) scale(1.04);
  filter: drop-shadow(0 4px 14px rgba(99, 102, 241, 0.25));
}
.security-badge-img-internetnl {
  height: 46px;
  width: auto;
  display: block;
}
.security-badge-img-ssllabs {
  height: 28px;
  width: auto;
  display: block;
  border-radius: 4px;
}